Question

lo 5.1-5.3. what are the pectorals responsible for?
lifting the legs
moving the arms across the body
moving the arms away from the body
stabilizing the spine during movement
controlling breathing during exercise

Explanation:

The pectoral muscles, including the pectoralis major and minor, are mainly involved in movements of the arms. They pull the arms across the body. Lifting legs is related to leg - specific muscles. Moving arms away from the body is mainly the function of other shoulder - related muscles. Stabilizing the spine is mainly the role of spinal and core muscles. Controlling breathing is mainly the job of respiratory muscles like the diaphragm and intercostals.

Answer:

Moving the arms across the body